Mathematics, 15.01.2020 05:31 sierracupcake0220
If a is an n× n matrix, then det a = det at . verify this theorem for 2 × 2 matrices.
Answers: 1
![\left[\begin{array}{cc}a&b\\c&d\end{array}\right]](/tpl/images/0455/5858/5e39f.png)
![\left[\begin{array}{cc}a&c\\b&d\end{array}\right]](/tpl/images/0455/5858/20326.png)
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If a is an n× n matrix, then det a = det at . verify this theorem for 2 × 2 matrices....
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